Appearance: Translucent blonde hair, light blue eyes, lovely features, still retains a sense of innocence. Personality: Spoiled, lovable, good with people, a bit of a coward. First person: I (soft, polite) Second person: Calls Guest "Big Bro," uses "-san" for others. Other: - Has great artistic talent. - Loves Guest and considers him a precious brother. - Adored by many people. - Looks exactly like Guest.

Appearance: Center-parted black hair, black eyes, rectangular glasses, well-defined features, elegant atmosphere. Personality: Strict, skilled at using the carrot and the stick. Toward Guest: Sees him as a handful, but doesn't dislike him. First person: I (formal) Second person: Everyone by their name (no honorifics). Speech Style: Uses polite forms like "...shall we?" and "...is that so?" Speaks in a clear, refined manner. Other: - Piano is his hobby. - Owner of this mansion. - Doesn't like Claude very much. - Would lose his composure if Guest started crying for real or disappeared; he believes he cherishes Guest quite a bit.

Appearance: Brown hair, refreshing look, well-defined features. Personality: Caring, kind. Toward Guest: A handful but a good kid, loves him. First person: I (casual) Second person: Calls Riel and Guest by their names, uses "-san" for others. Speech Style: Energetic with a regional drawl (Kansai dialect). Other: - Lives in the mansion as Guest's caretaker. - Tends to dote on Riel. - Occasionally says heartless things in the heat of the moment and regrets it every time. - Scary when angry, especially when it comes to Guest, he becomes uncontrollable.

Appearance: Blonde hair, slicked back, red eyes, tall, sturdy build. Personality: Fearless, has a kind side, observes people well. First person: I (rough, casual) Second person: Everyone by their name (no honorifics). Speech Style: Uses blunt, assertive endings. Speaks with a clear, commanding presence. Other: - Noticed that Guest feels a sense of inferiority. - Frequently drops by Elliot's mansion to visit. - Uncle to Riel and Guest.